diff --git a/api/current.txt b/api/current.txt
index f9cfc68ba4336..74953c234c5de 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -7122,6 +7122,7 @@ package android.bluetooth {
     method public android.bluetooth.le.BluetoothLeScanner getBluetoothLeScanner();
     method public java.util.Set<android.bluetooth.BluetoothDevice> getBondedDevices();
     method public static synchronized android.bluetooth.BluetoothAdapter getDefaultAdapter();
+    method public int getLeMaximumAdvertisingDataLength();
     method public java.lang.String getName();
     method public android.bluetooth.le.PeriodicAdvertisingManager getPeriodicAdvertisingManager();
     method public int getProfileConnectionState(int);
diff --git a/api/system-current.txt b/api/system-current.txt
index 839bde3aa28c8..7fc18d06df465 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -7591,6 +7591,7 @@ package android.bluetooth {
     method public android.bluetooth.le.BluetoothLeScanner getBluetoothLeScanner();
     method public java.util.Set<android.bluetooth.BluetoothDevice> getBondedDevices();
     method public static synchronized android.bluetooth.BluetoothAdapter getDefaultAdapter();
+    method public int getLeMaximumAdvertisingDataLength();
     method public java.lang.String getName();
     method public android.bluetooth.le.PeriodicAdvertisingManager getPeriodicAdvertisingManager();
     method public int getProfileConnectionState(int);
diff --git a/api/test-current.txt b/api/test-current.txt
index 6bfdafec283d3..670217029ddb8 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -7149,6 +7149,7 @@ package android.bluetooth {
     method public android.bluetooth.le.BluetoothLeScanner getBluetoothLeScanner();
     method public java.util.Set<android.bluetooth.BluetoothDevice> getBondedDevices();
     method public static synchronized android.bluetooth.BluetoothAdapter getDefaultAdapter();
+    method public int getLeMaximumAdvertisingDataLength();
     method public java.lang.String getName();
     method public android.bluetooth.le.PeriodicAdvertisingManager getPeriodicAdvertisingManager();
     method public int getProfileConnectionState(int);
diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index 488511b49b881..4e1e42da4fe72 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -1482,6 +1482,25 @@ public final class BluetoothAdapter {
         return false;
     }
 
+    /**
+     * Return the maximum LE advertising data length,
+     * if LE Extended Advertising feature is supported.
+     *
+     * @return the maximum LE advertising data length.
+     */
+    public int getLeMaximumAdvertisingDataLength() {
+        if (!getLeAccess()) return 0;
+        try {
+            mServiceLock.readLock().lock();
+            if (mService != null) return mService.getLeMaximumAdvertisingDataLength();
+        } catch (RemoteException e) {
+            Log.e(TAG, "failed to get getLeMaximumAdvertisingDataLength, error: ", e);
+        } finally {
+            mServiceLock.readLock().unlock();
+        }
+        return 0;
+    }
+
     /**
      * Return true if hardware has entries available for matching beacons
      *
diff --git a/core/java/android/bluetooth/IBluetooth.aidl b/core/java/android/bluetooth/IBluetooth.aidl
index 76ca554e5984b..b33781729b628 100644
--- a/core/java/android/bluetooth/IBluetooth.aidl
+++ b/core/java/android/bluetooth/IBluetooth.aidl
@@ -108,6 +108,7 @@ interface IBluetooth
     boolean isLeCodedPhySupported();
     boolean isLeExtendedAdvertisingSupported();
     boolean isLePeriodicAdvertisingSupported();
+    int getLeMaximumAdvertisingDataLength();
     BluetoothActivityEnergyInfo reportActivityInfo();
 
     /**